US5926247A - Method of manufacuturing spectacles, and spectacle frames used therefor - Google Patents

Method of manufacuturing spectacles, and spectacle frames used therefor Download PDF

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Publication number
US5926247A
US5926247A US08/825,548 US82554897A US5926247A US 5926247 A US5926247 A US 5926247A US 82554897 A US82554897 A US 82554897A US 5926247 A US5926247 A US 5926247A
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Prior art keywords
frame
spectacle
information
configuration
lenses
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US08/825,548
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English (en)
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Toshio Kimura
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Hoya Corp
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Hoya Corp
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/12—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers
    • G05B19/128—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers the workpiece itself serves as a record carrier, e.g. by its form, by marks or codes on it
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D12/00—Producing frames
    • B29D12/02—Spectacle frames
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C13/00—Assembling; Repairing; Cleaning
    • G02C13/003—Measuring during assembly or fitting of spectacles
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31095—Read write intelligent chip on workpiece, pallet, tool for data exchange
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31096—Data carrier, communication by exchange of floppy disk
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/32—Operator till task planning
    • G05B2219/32049—Store program data, manufacturing history on workpiece, shifts to next
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the present invention generally relates to a method of manufacturing spectacles (or eyeglasses) and to frame spectacles used therefor. More particularly, the present invention relates to a method of manufacturing spectacles, by which the omission of a frame shape measurement to be performed in a spectacle store (namely, an optician shop) is made possible.
  • a spectacle store namely, an optician shop
  • the manufacture of spectacles is accomplished by performing the following procedure so as to obtain spectacles. Namely, lens processing information required for the manufacture of spectacles is first obtained according to information which includes prescription values for the eyes of a spectacle (or eyeglass) wearer and frame shape information representing a spectacle frame selected by the wearer. Subsequently, the material of spectacle lenses is selected according to the aforesaid lens processing information and is then processed. Finally, the spectacle lenses obtained in this way are mounted to (or fitted into) the aforementioned spectacle frame.
  • Frame shape information is indispensable for this manufacture of spectacles. Further, it is one of the most important requirements for manufacturing comfortable spectacles that a processor (or a process manufacturer) accurately recognizes the frame shape information representing various shapes of spectacle frames.
  • a frame maker preliminarily supplies data, which represents two-dimensional plastic lens shape, to a spectacle manufacturer (for example, a spectacle store) as frame data, simultaneously with the shipment of the spectacle frame. Then, the spectacle manufacturer takes out a pattern (or a former) corresponding to the frame number of the spectacle frame chosen by a customer and further mounts the pattern on a lens processing machine (namely, an edger). Subsequently, the edging of lenses are carried out by performing the tracing (or copying or profiling) thereof.
  • the aforementioned conventional method using the pattern (or former), which are designated by the frame shape information representing spectacle frames, has a merits in that desired frame information can be easily obtained, in the case where the shapes of the spectacle frames are simple and the number of kinds of the shapes thereof is small and a manufacture error is small.
  • the number of kinds of the spectacle frames has increased considerably and that there has been a rapid increase in the number of modifications of the shapes of the spectacle frames, it is obvious that there is a limit to the number of such patterns (or formers) which a spectacle manufacturer (or a process manufacturer) can retain, even if the manufacturer wishes to posses all of the formers respectively corresponding to the kinds of the shapes of the spectacle frames.
  • an edger which is a combination of a frame shape measuring apparatus (or unit) and a lens processing machine (or unit) in one (piece), has come into wide use.
  • This edger is adapted so that the frame shape measuring unit measures (or obtains) frame shape information directly and actually and further transmits information representing a result of the actual measurement (namely, the actually obtained frame shape information) to the lens processing unit whereupon lenses are processed in a desired manner by using the combination of this frame shape information, lens information, prescription values, layout information and processing mode specification information or the like as lens processing information.
  • This obviates the necessity of the patterns (or formers) as used in the conventional method.
  • FIG. 14 illustrates an outline of the conventional spectacle manufacturing method. Incidentally, this figure illustrates both of the cases that the lens processing is performed in a spectacle store and that a processor (or a process manufacturer) is requested and processes lenses.
  • a system (or a method) employed by the frame shape measuring apparatus is a contact system by which a lens groove of the frame is traced by a measurement element (namely, a stylus) during the measurement element are kept pressed thereagainst.
  • the present invention is accomplished against the aforementioned background.
  • an object of the present invention is to provide a method of manufacturing spectacles, by which spectacles can be manufactured by obtaining precise frame shape information without measuring the shape of a spectacle frame in a spectacle store.
  • Another object of the present invention is to provide a spectacle frame for use in such a method.
  • frame shape information is first obtained after a spectacle frame is manufactured in a factory. Moreover, frame-related (or frame relevant) information, which includes the obtained frame shape information), or readout information, according to which this frame-related information is read out, is preliminarily added to the spectacle frame. Thereafter, in a spectacle store, the frame-related information is read from the spectacle itself or from storage means or the like by using the information added to the spectacle frame as a key (or a clue). Thus, frame shape information, which is needed when obtaining lens processing information, is obtained therein. More specifically, the following methods of manufacturing spectacles and the following spectacle frames for use in such methods are provided in accordance with the present invention as means for achieving the foregoing objects.
  • a method of manufacturing spectacles by obtaining lens processing information, which is necessary for processing spectacle lenses, according to information, which includes prescription values for eyes of a spectacle wearer and frame shape information representing a shape of a spectacle frame selected by the spectacle wearer, and subsequently selecting a material of spectacle lenses according to the lens processing information to thereby process and obtain spectacle lenses and thereafter mounting (or fitting) the obtained spectacle lenses to the spectacle frame.
  • This method comprises the step of obtaining the frame shape information representing the spectacle frame in a factory after manufacturing the spectacle frame therein, the information adding step of adding framerelated information, which includes the obtained frame shape information, to the spectacle frame, the step of obtaining frame shape information, which is necessary when obtaining lens processing information concerning lenses to be mounted to (or fitted into) the spectacle frame selected by the spectacle wearer, by reading the frame-related information added to the spectacle frame.
  • the information adding step of adding the frame-related information to the spectacle frame comprises the storing sub-step of readably storing frame-related information, which includes the obtained frame shape information, in information storage means, and the readout information adding sub-step of adding readout information, according to which the frame-related information stored in this storage means is read therefrom, to the spectacle frame in the factory.
  • the storing step comprises the sub-step of storing the frame-related information in a storage unit of a host computer (system) installed in the factory.
  • the step of reading the frame-related information stored in the aforesaid storage means comprises the sub-step of establishing the connection between a terminal unit installed in the spectacle store and the sub-step of reading the frame-related information online from the storage unit online to the terminal unit.
  • the storing step comprises the sub-step of recording the frame-related information on an information recording storage medium through a host computer (system) installed in the factory.
  • the step of reading the frame-related information stored in the aforesaid storage means comprises the sub-step of reading the frame-related information, which is recorded on the recording storage medium distributed to the spectacle store, by a personal computer installed therein from the recording storage medium.
  • the frame shape information of the aforesaid spectacle frame is based on design values of data concerning the shape of the spectacle frame.
  • the frame shape information of the aforesaid spectacle frame is based on actually measured values of data concerning the shape of the spectacle frame.
  • the frame shape information of the aforesaid spectacle frame is obtained by taking actually measured values of data, which represents the shape of the spectacle frame, and design values of the data, which represents the shape of the spectacle frame, into consideration.
  • the frame shape information of the aforesaid spectacle frame is minimum information according to which information representing the actual shape of the spectacle frame is obtained by performing a simulation based on both of the frame shape information and the design values of data representing the shape of the spectacle frame.
  • the frame shape information of the aforesaid spectacle frame includes information representing the peripheral length of the aforesaid spectacle frame.
  • the aforesaid readout information is product individual identification information according to which the individual product of the spectacle frame is identified.
  • a spectacle frame (hereunder sometimes referred to as a first spectacle frame of the present invention), to which spectacle lenses obtained by processing a material of lenses according to lens processing information obtained from information including prescription values for the eyes of a spectacle wearer and further including frame shape information are mounted (or fitted). Further, values of data representing the shape of the spectacle frame are actually measured after manufactured according to predetermined design specifications. Moreover, frame-related information including frame shape information obtained according to the actually measured values of the data is added to this spectacle frame.
  • the aforesaid frame-related information is added directly to the second spectacle frame.
  • the aforesaid frame-related information is recorded onto an information recording storage medium in such a manner as to be integral with the third spectacle frame.
  • the aforesaid frame-related information is recorded onto a medium which is separated from (the body of) the third spectacle frame but belongs (or connected) thereto.
  • another spectacle frame (hereunder sometimes referred to as a fifth spectacle frame of the present invention), to which spectacle lenses obtained by processing a material of lenses according to lens processing information obtained from information including prescription values for the eyes of a spectacle wearer and further including frame shape information are mounted (or fitted). Further, values of data representing the shape of the spectacle frame are actually measured after manufactured according to predetermined design specifications. Moreover, frame-related information including frame shape information obtained according to the actually measured values of the data is readably stored in an information storage unit. Furthermore, readout information, according to which the frame-related information is read from the information storage unit, is added to this spectacle frame.
  • the aforesaid readout information is recorded directly onto (the body of) the spectacle frame itself.
  • the aforesaid readout information is recorded onto an information recording storage medium in such a manner as to be integral with the fifth spectacle frame.
  • the aforesaid readout information is recorded onto a medium which is separated from (the body of) the fifth spectacle frame but belongs (or connected) thereto.
  • the aforesaid readout information is recorded on a bar code part integrally provided in (the body of) the aforesaid spectacle frame (namely, the readout information is contained in a bar code recorded or printed on the aforesaid spectacle frame).
  • frame shape information is first obtained after a spectacle frame is manufactured in a factory. Moreover, frame-related, which includes the obtained frame shape information, or readout information, according to which this frame-related information is read out, is preliminarily added to the spectacle frame. Thereafter, in a spectacle store, the frame-related information is read from the spectacle itself or from storage means or the like by using the information added to the spectacle frame as a key. Thus, frame shape information, which is needed when obtaining lens processing information, is obtained therein. Consequently, in accordance with the present invention, the methods, by which spectacles are manufactured by obtaining accurate frame shape information without performing a frame shape measurement in the spectacle store, and the spectacle frames for use in the methods are obtained.
  • FIG. 1 is a diagram illustrating a method of manufacturing spectacles, which is an embodiment of the present invention
  • FIG. 2 is a perspective view of the configuration of a frame shape measuring apparatus
  • FIG. 3 is a diagram illustrating an offset measured by using a stylus of the frame shape measuring apparatus
  • FIG. 4 is a flowchart for illustrating a process of calculating frame shape data
  • FIGS. 5, 6, 7, 8, 9 and 10 are diagrams for illustrating a method of measuring the shape of a spectacle frame by using the frame shape measuring apparatus
  • FIG. 11 is a diagram showing a spectacle frame embodying the present invention.
  • FIG. 12 is a flowchart illustrating a lens processing procedure
  • FIG. 13 is a diagram illustrating an outline of a modification of a method of manufacturing spectacles according to the present invention.
  • FIG. 14 is a diagram illustrating an outline of the conventional method of manufacturing spectacles.
  • FIG. 1 is a diagram illustrating an outline of a method of manufacturing spectacles, which is a first embodiment of the present invention.
  • this method of manufacturing spectacles, and a spectacle frame for use in this method, namely, the first embodiment of the present invention will be described in detail by referring to FIG. 1.
  • this method of manufacturing spectacles namely, the first embodiment of the present invention consists of: (1) a frame manufacturing step; (2) an actual frame shape measuring step; (3) a frame information adding step; (4) a frame information reading step; (5) lens processing information generating step; (6) lens processing step; and (7) a lens mounting step.
  • these steps will be described in detail.
  • Spectacle frames are manufactured in a frame factory. This manufacturing step depends on the kind of the material of the spectacle frame.
  • one of the processes is a rim forming process by which a pattern (or former) for forming the spectacle frame of a predetermined shape is produced and then a plastic material is forced into the pattern.
  • the other process is to cut out a spectacle frame of a predetermined shape from a flat plate by using a cutting machine.
  • a spectacle frame is first designed. Then, frame shape data is generated. Subsequently, frame manufacturing design data used for manufacturing the spectacle frame is generated. Thereafter, the spectacle frame is manufactured according to the generated data.
  • These processes are performed by using a main computer of the factory.
  • the manufactured spectacle frame is set in a frame shape measuring apparatus. If the shape of the frame is simple, it is sufficient to obtain two dimensional data by this measurement. In contrast, if the shape of the frame is complex, it is preferable to obtain three dimensional data by this measurement. Basically, when positional data representing positions measured from a measurement reference point is given, those skilled in the art can obtain the shape of the frame by calculation. At that time, as will be described later, a three-dimensional cylindrical coordinate system is used.
  • more accurate shape data is obtained by inputting information representing the peripheral length of the frame, the frame PD (Pupillary Distance (namely, the distance between the geometrical centers of the lenses)), the width of a nosepiece (more specifically, the distance between the spectacle lenses), the dimension or size A (namely, the maximum lateral width of the frame part (or rim)), the size or dimension B (namely, the maximum vertical width of the frame part) and the angle formed by the left and right frame parts.
  • indexes (or indicators or parameters) representing the peripheral length of the frame and the angle formed by the left and right frame parts are unique items proposed by Applicant of the instant application.
  • two-dimensional data or information is employed.
  • FIG. 2 is a perspective view of the configuration of the frame shape measuring apparatus of this embodiment.
  • This frame shape measuring apparatus is provided with a measuring portion 1 for measuring the shape of a spectacle frame rim Fr of a spectacle frame F held by a spectacle frame holding means (not shown) in such a manner as to be immovably fixed at a predetermined position or place.
  • This measuring portion 1 has a U-shaped rotatable base 2, which is driven and rotated by a motor 6 in a direction * through the medium of a timing pulley (not shown), which is mounted on the bottom surface of the base 2, a timing belt 4 and another timing belt 5.
  • the angle of rotation of the base 2 is detected by a rotary encoder connected to the aforementioned timing pulley (not shown) through a timing belt 7 and a timing pulley 8.
  • the motor 6 and the rotary encoder 9 are fixedly mounted on a base plate 10 of this frame shape measuring apparatus (incidentally, although only a part of the base plate 10 is illustrated in FIG. 2 for easiness of viewing other components of the frame shape measuring apparatus, the base 10 actually extends all over a region under the rotatable base 2).
  • the aforesaid timing pulley (not shown) and the rotatable base 2 are rotatably journaled on the base plate 10 with bearings (not shown).
  • the rotatable base 2 of the measuring portion 1 consists of two side plates 11 and 12 and a rectangular center plate 13 for connecting the side plates together. Further, two slide guide shafts 14 and 15 are fixed between the side plates 11 and 12 in such a way as to extend in parallel with each other. Moreover, a horizontal slide plate 16 is slidably guided in a direction E by the guide shafts 14 and 15. To this end, the slide plate 16 has three rotatable three slide guide rollers 17, 18 and 19 attached to the bottom surface thereof. In this case, two of the slide guide rollers 17 and 18 are in contact with one of the slide guide shafts 14, while the remaining one of the slide guide rollers 19 is in contact with the other slide guide shaft 15. These slide guide rollers 17, 18 and 19 roll along the slide guide shafts 14 and 15.
  • the force of a constant force spring 20 is applied to the slide plate 16 in the sliding direction E and is thus pulled toward one of the side plates 12.
  • This constant force spring 20 has an end thereof wound around a bushing 21 and is fixed to the side plate 12 through a shaft 22 and a bracket 23. The other end of the constant force spring 20 is attached to the slide plate 16.
  • the constant force spring 20 serves to push a stylus 30 (to be described later) against the inner peripheral groove of the frame part (or rim) Fr.
  • Travel (or an amount of movement) R in the direction E of the slide plate 16 is measured by a reflection linear encoder 24 acting as a displacement measuring scale.
  • This linear encoder 24 consists of: a scale 25, which extends between the side plates 11 and 12 of the rotatable base 2; a detector 26, which is fixed to the slide plate 16 and is adapted to move along the scale 25; and a flexible cable 28 for connecting the detector 26 with an amplifier 27.
  • This amplifier 27 is mounted onto a bracket 29 fixed to the slide plate 12.
  • the detector 26 moves by maintaining a constant distance from the surface of the scale 25 thereto.
  • the detector 26 outputs a pulse-like signal to the amplifier 27 through the flexible cable 28 connected thereto.
  • the amplifier 27 amplifies this signal and outputs the amplified signal through a counter (not shown) as a signal representing the travel R.
  • Stylus 30 acting as a measuring element is held by the slide plate 16.
  • This stylus 30 is supported by a sleeve 31, which is fixed to the slide plate 16, through a slide bearing in such a way as to be movable in the vertical direction (namely, in the direction of Z-axis) and to be rotatable in the sleeve 31.
  • the stylus 30 has a head portion 32 shaped like a bead on an abacus. This head portion 32 is in contact with the inner peripheral groove of the spectacle frame rim Fr by the action of the constant force spring 20.
  • the rotation of the rotatable base 2 causes the stylus 30 to move the inner peripheral groove of the spectacle frame rim Fr.
  • the stylus 30 moves in the direction of Z-axis in accordance with the curved surface of the frame rim Fr.
  • the travel (or the amount of movement) of the stylus 30 (namely, the distance which the stylus moves) is detected by a Z-axis measuring device 33 formed as a displacement scale.
  • This Z-axis measuring device 33 is fixed to the slide plate 16. Further, the movement in the direction of Z-axis of the stylus 30 is detected as an amount of a displacement Z by a built-in charge-coupled device (CCD) line image sensor and a light-emitting diode (LED) acting as a light source.
  • CCD charge-coupled device
  • LED light-emitting diode
  • the spectacle frame F is fixedly held by the spectacle frame holding means (not shown). Further, the head portion 32 of the stylus 30 is made to be in contact with the V-shaped inner peripheral groove of the spectacle frame rim Fr. Moreover, the motor 6 is rotated by a control unit (not shown). Thereby, the rotatable base 2 connected thereto through the timing belt 4 rotates, so that the stylus 30 rolls during being in contact with the inner peripheral groove of the spectacle frame rim Fr. Rotation of the measuring portion 1 causes the rotary encoder 9, which is connected by the timing belt 7, to rotate and is detected as an angle of rotation ( ⁇ ). Amount of movement in a radial direction of the stylus 30 is detected by the linear encoder 24 as the travel R in the direction E of the slide plate 16.
  • the amount of movement in the vertical direction of the stylus 30 is detected by the Z-axis measuring device 33 as the amount Z of the movement in the direction of Z-axis thereof.
  • these values of the cylindrical coordinates ⁇ , R and Z are not continuously measured but are intermittently measured every time the angle of rotation ( ⁇ ) increases by a predetermined amount.
  • point sequences and vectors represented by using a suffix "n" are spatially arranged in the order of this suffix "n" and designate periodical data, whose period is N with respect to this suffix "n".
  • the spectacle frame holding means slides by a predetermined amount or distance during holding the spectacle frame F.
  • the stylus 30 is set correspondingly to the other spectacle frame rim.
  • the predetermined distance, by which the spectacle frame holding means slides is preliminarily set at a constant value. Therefore, the relative positional relation between both of the spectacle frame rims (or parts) is known from this preset value and measured data concerning the left and right spectacle frame rims Fr.
  • this preset value will be expressed in three dimensional representation and will be referred to as relative positional data ( ⁇ , ⁇ , ⁇ ).
  • the primitive three-dimensional shape data (Rn, ⁇ n, Zn) is data 41, which represents a path of the movement of the central axis of the head portion 32 of the stylus 30, and does not represent the inner peripheral groove of the spectacle frame rim.
  • an envelope 43 drawn owing to an accurate shape of a spectacle frame rim namely, drawn by a portion which is in contact with the bottom of the inner peripheral groove
  • Calculation for obtaining this envelope is referred to as an offset calculation.
  • this offset calculation is unnecessary in the case of the measuring apparatus in which the stylus is directly in contact with the bottom of the inner peripheral groove of the spectacle frame rim.
  • FIG. 4 is a flowchart for illustrating a method of calculating frame shape data. Incidentally, the details of this method are described in Japanese Patent Laid-Open No. Hei 6-66776/1994 Official Gazette, by which the invention proposed in Japanese Patent Application filed by Applicant of the present application is disclosed.
  • a frame curve CV namely, the curvature of a spherical surface in the case that a curved surface enclosed by the frame rim can be regarded as being this spherical surface
  • the peripheral length of the groove FLN and a frame PD ((inter-)pupillary distance) FPD
  • the width of the nosepiece of the frame namely, the distance between the (spectacle) lenses
  • DBL the dimensions
  • a and B namely, the maximum lateral width of the frame part and the maximum vertical width of the frame part
  • an effective diameter ED whose value is twice the value of the maximum radius
  • a tilt angle TILT formed by the left and right frame parts (or rims), which are as illustrated in FIGS. 7, 8, 9 and 10, are calculated.
  • the process or method of measuring the shape of a frame is not limited to that of the aforementioned contact type using the stylus.
  • a method of the non-contact type using laser beams, infrared rays or X-rays alternatively, a method of the image-processing type using a CCD camera or a digital camera may be employed.
  • the frame information actually measured by the aforementioned frame shape measuring apparatus is not frame design data but should be actual data actually measured by a frame maker (or manufacturer) when the frame is shipped. Namely, note that manufacture errors (for instance, in the case of a plastic frame, a shape error due to the difference in rate of polymerization or contraction among lots of materials, an error due to variation in processing accuracy among formers or patterns and a machining error caused by the frame shape cutting machines) are introduced into the actually measured data.
  • the actually measured frame (shape) data is stored in the host computer (system), in which a frame design program and so on are stored, as the (shape) data through a personal computer and a sever computer.
  • a spectacle-lens order receiving program In this host computer system, a spectacle-lens processing design program (including lens information concerning lenses in stock) and a beveling design program are further stored.
  • all of lens data, frame data, design data and processing data, which are used for manufacturing spectacles, and calculation programs for generating lens processing information are stored in this computer system. Incidentally, these data and programs may be recorded onto CD-ROMs and may be used by being loaded into the personal computers of the spectacle stores.
  • the aforementioned data is transmitted to an IC-chip manufacturing apparatus. Then, after all data concerning the spectacle frame are written to an IC-chip, this IC-chip is embedded in a suitable portion, for example, an inconspicuous portion of the temple of the spectacles and is held therein by a means such as the bonding thereof.
  • FIG. 11 illustrates a spectacle frame 100 provided with frame information.
  • reference character 102 denotes a lens; 103 a rim; 104 an endpiece; 105 a hinge; 106 a temple; and 107 an IC-chip to which the data is written.
  • the IC-chip is used as a medium for recording all shape data of a lens frame.
  • the (information) volume of information to be written to an IC-chip increases. Further, as the information volume increases, the higher accurate frame information is obtained.
  • an IC-chip is preferable as a medium whose memory capacity is large.
  • Such a medium is not limited to the IC-chip.
  • Other storage media for instance, IC (or smart) card, a bar code, a two-dimensional bar code (or QR code), an IC memory, a magnetic card, a floppy disk and a compact disk may be employed as such a medium.
  • HOYA online system and HOYA frame VAN system of Applicant of the present application have been already utilized.
  • other methods that are not such online methods.
  • a method by which the frame data is first recorded on a certain recording storage medium for example, CD-ROM, a floppy disk or the like
  • the recording storage medium is distributed to a user and is further loaded into the computer system of the user.
  • the maker provides the frame data by distributing recording media on which the frame data is recorded.
  • public lines of telecommunication, private (or leased) circuits, satellite communication systems and optical communication systems may be utilized.
  • a concrete (or practical) example of the identification character is "NLO59T XXXYYY".
  • "NL" is an aberration of the trade mark "New Leaders” of a model of spectacles manufactured by the maker.
  • "059” indicates that the design No. of the frame, namely, the fifty-ninth model of the frame.
  • T denotes the material of the frame and is an aberration of the expression “titanium material”.
  • XXX designates a manufactured lot No. to be represented by using numerical characters.
  • YYY represents No. of an individual frame contained in this lot.
  • the simulation of the frame shape is achieved by adding such a symbolic index or parameter to the spectacles.
  • the data to be held in the system is compressed or reduced by storing only manufacturing (or processing) error data obtained from the comparison between the design data and the actually measure data. Thereby, the notation quantity is reduced.
  • the fundamental data for example, the design data
  • the fundamental data is held by the system when the shape data is restored.
  • a method of adding the IC-chip as a tag may be employed as the method of adding the information or data to the spectacle frame.
  • the frame may be directly engraved (or printed) with marks or the like, which represents the information or data.
  • a step of processing the frame is increased, so that the number of steps increases, while the history of the frame is left thereon.
  • this history is utilized as the frame information of the currently existing spectacles when repairing or replacing the frame, and is thus useful.
  • the frame-related information such as the frame shape information is obtained by reading the information written to the embedded IC chip by the use of the information reading device connected to the computer of the spectacle store.
  • the information reading device connected to the computer of the spectacle store.
  • prescriptions for a customer are determined according to data obtained as a result of a medical examination and an eye examination(namely, an optometry or an opthalmoscopy), which are performed by an ophthalmologist.
  • the prescription values and the kinds of the attached prescriptions depend upon the viewing environment of a patient. Generally, correcting vision, an axis of astigmatism and a pupillary distance are appended to the data.
  • spectacle lenses are selected according to the aforementioned prescription information. Moreover, the material of the lenses (for example, plastics or glass), the lens specifications (namely, spherical or aspherical surface), an outer diameter and a lens thickness are determined.
  • the material of the lenses for example, plastics or glass
  • the lens specifications namely, spherical or aspherical surface
  • an outer diameter and a lens thickness are determined.
  • Processing information is determined by synthesizing the aforementioned information.
  • a shift amount of inward and outward shifts, beveling position specification, a slabbing-off processing specification and "METS PROCESS" specification (minimum thickness specification) in the case of a progressive power lens are determined according to the view processing mode specification information desired by customers. If all of the calculation programs for generating lens processing information are installed in the personal computer of the spectacle store, all processing data is generated by inputting only the aforementioned data.
  • FIG. 12 is a diagram illustrating an ordinary procedure of the lens processing.
  • the aforementioned frame manufacturing factory may serve also as the lens process manufacturer (namely, the lens processor).
  • the lens processor may be separated from the frame manufacturing factory.
  • the frame maker commissions an outside processor to process the lenses. Namely, in this case, the maker takes full advantages of the (characteristic) features of the present invention. Further, in this case, the spectacle store has only to perform necessary minimum operations.
  • FIG. 1 is a diagram illustrating this modification (namely, a second embodiment) of the aforementioned method of manufacturing spectacles according to the present invention.
  • this modification namely, the second embodiment
  • this modification is basically the same as of the first embodiment except that the lens processing is performed by an edger placed in the spectacle store instead of commissioning an outside processor to process the lenses.
  • this modification has an advantage in that it is not necessary for the spectacle store to perform a troublesome frame shape measurement.
  • the spectacles are completed.
  • the lenses processed in the spectacle store are mounted to (or fitted into) the frame. Consequently, the spectacles are completed.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Eyeglasses (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
US08/825,548 1996-12-27 1997-03-19 Method of manufacuturing spectacles, and spectacle frames used therefor Expired - Lifetime US5926247A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8-351311 1996-12-27
JP35131196A JP3276866B2 (ja) 1996-12-27 1996-12-27 眼鏡加工方法及び眼鏡フレーム

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US5926247A true US5926247A (en) 1999-07-20

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US08/825,548 Expired - Lifetime US5926247A (en) 1996-12-27 1997-03-19 Method of manufacuturing spectacles, and spectacle frames used therefor

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US (1) US5926247A (fr)
EP (1) EP0851265B1 (fr)
JP (1) JP3276866B2 (fr)
KR (1) KR100515107B1 (fr)
CN (1) CN1139001C (fr)
AT (1) ATE416396T1 (fr)
AU (1) AU747511B2 (fr)
DE (1) DE69739141D1 (fr)
HK (1) HK1010578A1 (fr)
TW (1) TW393583B (fr)

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US20010055111A1 (en) * 2000-06-22 2001-12-27 Toshiro Yoda Spectacle lens image sensing processing apparatus and spectacle lens positioning method
US6381012B1 (en) 2000-01-20 2002-04-30 Virgil Thomas Yancy System, method and article of manufacture to determine and communicate optical lens sizing and prescription information
US20020167098A1 (en) * 2001-02-20 2002-11-14 Foreman John T. Method of preparing an eyeglass lens with a controller
US20020167097A1 (en) * 2001-02-20 2002-11-14 Foreman John T. Computerized controller for an eyeglass lens curing apparatus
US20020167099A1 (en) * 2001-02-20 2002-11-14 Foreman John T. Method of monitoring components of a lens forming apparatus
US20020185761A1 (en) * 2001-02-20 2002-12-12 Lattis Matthew C. Method of entering prescription information
US6499843B1 (en) * 2000-09-13 2002-12-31 Bausch & Lomb Incorporated Customized vision correction method and business
US20030042635A1 (en) * 2001-02-20 2003-03-06 Foreman John T. Method for automatically shutting down a lens forming apparatus
US20030042633A1 (en) * 2001-02-20 2003-03-06 Foreman John T. Graphical interface for monitoring usage of components of a lens forming apparatus
US20030117580A1 (en) * 2001-03-01 2003-06-26 Richard Franz System for vision examination utilizing telemedicine
US6588898B2 (en) * 2000-02-01 2003-07-08 Kabushiki Kaisha Topcon Apparatus for displaying lens contour, apparatus for processing lens contour data, and apparatus for grinding edge of eyeglass lens with the same
US20030146527A1 (en) * 2000-03-30 2003-08-07 Q2100, Inc. Apparatus and system for the production of plastic lenses
US20030156125A1 (en) * 2001-02-13 2003-08-21 Andrea Welk Method for simulating and demonstrating the optical effects of glasses on the human face
US6637880B1 (en) 1999-02-12 2003-10-28 Hoya Corporation Spectacle lens and manufacturing method therefor
US20040004633A1 (en) * 2002-07-03 2004-01-08 Perry James N. Web-based system and method for ordering and fitting prescription lens eyewear
US20040027679A1 (en) * 2001-08-24 2004-02-12 Andrea Welk Method for designing and optimizing an individual spectacle glass
US6692127B2 (en) * 2000-05-18 2004-02-17 Visionix Ltd. Spectacles fitting system and fitting methods useful therein
US20040100617A1 (en) * 2000-08-01 2004-05-27 Mordechai Abitbol Apparatus for interactive optometry
US6786602B2 (en) 2001-05-31 2004-09-07 Marc Abitbol Aberration correction spectacle lens
US6792401B1 (en) * 2000-10-31 2004-09-14 Diamond Visionics Company Internet-based modeling kiosk and method for fitting and selling prescription eyeglasses
US6813536B1 (en) * 1998-02-05 2004-11-02 Wernicke & Co. Gmbh Method and device for computer numerical control of machining of spectacle lenses
US6873423B2 (en) * 2003-07-21 2005-03-29 Lih Rurng Instrument Trading Co., Ltd. Length measure apparatus and the method for measuring
US6945848B1 (en) * 1999-10-15 2005-09-20 Kabushiki Kaisha Topcon Lens shape data processing apparatus and lens grinding machine having the same apparatus
US7051290B2 (en) * 2001-02-20 2006-05-23 Q2100, Inc. Graphical interface for receiving eyeglass prescription information
US20060276106A1 (en) * 2003-11-05 2006-12-07 Hoya Corporation Method for supplying lens of eyeglasses
US20080132147A1 (en) * 2006-11-30 2008-06-05 Nidek Co., Ltd. Eyeglass lens processing system
US20080192200A1 (en) * 2004-12-03 2008-08-14 Essilor International (Compagnie Generale D' Optiq Method and a Device for Preparing a Job of Two Ophthalmic Lenses Belonging to the Same Pair of Eyeglasses for Mounting
EP2028530A1 (fr) * 2007-12-28 2009-02-25 Essilor International (Compagnie Generale D'optique) Procédé de modification des données de forme du cadre de lunettes
EP2031434A1 (fr) * 2007-12-28 2009-03-04 Essilor International (Compagnie Generale D'optique) Procédé synchrone pour obtenir des fonctions de lunettes à commander
EP2037314A1 (fr) * 2007-12-28 2009-03-18 Essilor International (Compagnie Generale D'optique) Procédé et supports informatiques pour choisir des verres de lunettes adaptés à un cadre
US20090140036A1 (en) * 2006-05-05 2009-06-04 Essilor International (Compagnie Generale Of Optique Method of acquiring of at least a portion of the shape of a section of a spectacle frame circle
US20090222122A1 (en) * 2005-12-26 2009-09-03 Takashi Daimaru Spectacle Lens Supply System, Ordering System, and Manufacturing Method
US20100198515A1 (en) * 2005-12-01 2010-08-05 Wolfgang Becken Method for Calculation of the Magnification and/or Distortion and Method for Production of a Spectacle Lens with Low Magnification and/or Distortion
US20100283967A1 (en) * 2007-12-28 2010-11-11 Essilor International (Compagnie Generale D'optiqu Method of Calculating an Optical System According to a Given Spectacle Frame
US20100309430A1 (en) * 2008-01-28 2010-12-09 Essilor International (Compagnie Generale D'optique) Method of preparing an ophthalmic lens with special machining of its engagement ridge
US20100309429A1 (en) * 2008-01-28 2010-12-09 Essilor International (Compagnie Generale D'optique) Visual device including an ophthalmic lens having a partially cropped insertion rib, and method for preparing such lens
US20110043754A1 (en) * 2008-04-28 2011-02-24 Hoya Corporation Method of selecting lens design standard
US7959287B1 (en) 2010-05-05 2011-06-14 Norman Saffra Eyeglass frame sizing systems and methods
US20120130524A1 (en) * 2008-09-04 2012-05-24 Essilor International (Compagnie Generale D'optique) Method For Providing Finishing Parameters
US20130063697A1 (en) * 2009-12-24 2013-03-14 Essilor International (Compagnie Generale D'optique) Method for Determining an Edge of an Uncut Spectacle Lens
CN103974803A (zh) * 2011-12-08 2014-08-06 Hoya株式会社 眼镜镜片的镜片形状加工系统、眼镜镜片的制造方法及镜片形状加工机

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JP5972759B2 (ja) * 2012-11-06 2016-08-17 Hoya株式会社 レンズ加工システム、加工サイズ管理装置、加工サイズ管理方法および眼鏡レンズの製造方法
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EP3479954A1 (fr) * 2017-11-07 2019-05-08 Satisloh AG Station de surfaçage pour la fabrication d'éléments optiques et installation de fabrication associée

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US6813536B1 (en) * 1998-02-05 2004-11-02 Wernicke & Co. Gmbh Method and device for computer numerical control of machining of spectacle lenses
US6871955B2 (en) 1999-02-12 2005-03-29 Hoya Corporation Spectacle lens and manufacturing method therefor
US20040032565A1 (en) * 1999-02-12 2004-02-19 Hoya Corporation Spectacle lens and manufacturing method therefor
US6637880B1 (en) 1999-02-12 2003-10-28 Hoya Corporation Spectacle lens and manufacturing method therefor
US20010047217A1 (en) * 1999-03-19 2001-11-29 Optical Dynamics Corp. Plastic lens systems, compositions, and methods
US6945848B1 (en) * 1999-10-15 2005-09-20 Kabushiki Kaisha Topcon Lens shape data processing apparatus and lens grinding machine having the same apparatus
US6381012B1 (en) 2000-01-20 2002-04-30 Virgil Thomas Yancy System, method and article of manufacture to determine and communicate optical lens sizing and prescription information
US6848789B1 (en) 2000-01-20 2005-02-01 Virgil Thomas Yancy System, method and article of manufacture to determine and communicate optical lens sizing and prescription information
US6588898B2 (en) * 2000-02-01 2003-07-08 Kabushiki Kaisha Topcon Apparatus for displaying lens contour, apparatus for processing lens contour data, and apparatus for grinding edge of eyeglass lens with the same
US20030146527A1 (en) * 2000-03-30 2003-08-07 Q2100, Inc. Apparatus and system for the production of plastic lenses
US6692127B2 (en) * 2000-05-18 2004-02-17 Visionix Ltd. Spectacles fitting system and fitting methods useful therein
US20010055111A1 (en) * 2000-06-22 2001-12-27 Toshiro Yoda Spectacle lens image sensing processing apparatus and spectacle lens positioning method
US6671039B2 (en) * 2000-06-22 2003-12-30 Hoya Corporation Spectacle lens image sensing processing apparatus and spectacle lens positioning method
AU779768B2 (en) * 2000-06-22 2005-02-10 Hoya Corporation Spectacle lens image sensing processing apparatus and spectacle lens positioning method
US20040100617A1 (en) * 2000-08-01 2004-05-27 Mordechai Abitbol Apparatus for interactive optometry
US6499843B1 (en) * 2000-09-13 2002-12-31 Bausch & Lomb Incorporated Customized vision correction method and business
US6792401B1 (en) * 2000-10-31 2004-09-14 Diamond Visionics Company Internet-based modeling kiosk and method for fitting and selling prescription eyeglasses
US20030156125A1 (en) * 2001-02-13 2003-08-21 Andrea Welk Method for simulating and demonstrating the optical effects of glasses on the human face
US6965385B2 (en) * 2001-02-13 2005-11-15 Rodenstock Gmbh Method for simulating and demonstrating the optical effects of glasses on the human face
US20020185761A1 (en) * 2001-02-20 2002-12-12 Lattis Matthew C. Method of entering prescription information
US20020167098A1 (en) * 2001-02-20 2002-11-14 Foreman John T. Method of preparing an eyeglass lens with a controller
US20030042633A1 (en) * 2001-02-20 2003-03-06 Foreman John T. Graphical interface for monitoring usage of components of a lens forming apparatus
US7051290B2 (en) * 2001-02-20 2006-05-23 Q2100, Inc. Graphical interface for receiving eyeglass prescription information
US20030042635A1 (en) * 2001-02-20 2003-03-06 Foreman John T. Method for automatically shutting down a lens forming apparatus
US20020167099A1 (en) * 2001-02-20 2002-11-14 Foreman John T. Method of monitoring components of a lens forming apparatus
US20020167097A1 (en) * 2001-02-20 2002-11-14 Foreman John T. Computerized controller for an eyeglass lens curing apparatus
US7520611B2 (en) 2001-03-01 2009-04-21 Richard Franz System for vision examination utilizing telemedicine
US20030117580A1 (en) * 2001-03-01 2003-06-26 Richard Franz System for vision examination utilizing telemedicine
US7232220B2 (en) * 2001-03-01 2007-06-19 Richard Franz System for vision examination utilizing telemedicine
US20070195267A1 (en) * 2001-03-01 2007-08-23 Richard Franz System for vision examination utilizing telemedicine
US6786602B2 (en) 2001-05-31 2004-09-07 Marc Abitbol Aberration correction spectacle lens
US20040027679A1 (en) * 2001-08-24 2004-02-12 Andrea Welk Method for designing and optimizing an individual spectacle glass
US7540611B2 (en) 2001-08-24 2009-06-02 Rodenstock Gmbh Method for designing and optimizing an individual spectacle glass
US20040004633A1 (en) * 2002-07-03 2004-01-08 Perry James N. Web-based system and method for ordering and fitting prescription lens eyewear
US6873423B2 (en) * 2003-07-21 2005-03-29 Lih Rurng Instrument Trading Co., Ltd. Length measure apparatus and the method for measuring
US20060276106A1 (en) * 2003-11-05 2006-12-07 Hoya Corporation Method for supplying lens of eyeglasses
US7448938B2 (en) * 2003-11-05 2008-11-11 Hoya Corporation Method for supplying spectacle lens
US20080192200A1 (en) * 2004-12-03 2008-08-14 Essilor International (Compagnie Generale D' Optiq Method and a Device for Preparing a Job of Two Ophthalmic Lenses Belonging to the Same Pair of Eyeglasses for Mounting
US7734366B2 (en) * 2004-12-03 2010-06-08 Essilor International (Compagnie Generale D'optique) Method and a device for preparing a job of two ophthalmic lenses belonging to the same pair of eyeglasses for mounting
US8805612B2 (en) * 2005-12-01 2014-08-12 Rodenstock Gmbh Method for calculation of the magnification and/or distortion and method for production of a spectacle lens with low magnification and/or distortion
US20100198515A1 (en) * 2005-12-01 2010-08-05 Wolfgang Becken Method for Calculation of the Magnification and/or Distortion and Method for Production of a Spectacle Lens with Low Magnification and/or Distortion
US8295961B2 (en) * 2005-12-26 2012-10-23 Hoya Corporation Spectacle lens supply system, ordering system, and manufacturing method
US20090222122A1 (en) * 2005-12-26 2009-09-03 Takashi Daimaru Spectacle Lens Supply System, Ordering System, and Manufacturing Method
US20090140036A1 (en) * 2006-05-05 2009-06-04 Essilor International (Compagnie Generale Of Optique Method of acquiring of at least a portion of the shape of a section of a spectacle frame circle
US8215772B2 (en) * 2006-05-05 2012-07-10 Essilor International Method of acquiring of at least a portion of the shape of a section of a spectacle frame circle
US7925371B2 (en) * 2006-11-30 2011-04-12 Nidek Co., Ltd. Eyeglass lens processing system
US20080132147A1 (en) * 2006-11-30 2008-06-05 Nidek Co., Ltd. Eyeglass lens processing system
US20100293069A1 (en) * 2007-12-28 2010-11-18 Essilor International (Compagnie Generale D'optique) Method for Modifying Spectacle Frame Shape Data
WO2009065966A1 (fr) * 2007-12-28 2009-05-28 Essilor International (Compagnie Generale D'optique) Procédé et système informatique permettant de choisir des verres de lunettes conçus pour une monture
US20100283967A1 (en) * 2007-12-28 2010-11-11 Essilor International (Compagnie Generale D'optiqu Method of Calculating an Optical System According to a Given Spectacle Frame
US20100293192A1 (en) * 2007-12-28 2010-11-18 Essilor International (Compagnie Generale D'optique) Method and Computer Means for Choosing Spectacle Lenses Adapted to a Frame
US20100293251A1 (en) * 2007-12-28 2010-11-18 Essilor International (Compagnie Generale D'optique) Asynchronous Method for Obtaining Spectacle Features to Order
EP2028530A1 (fr) * 2007-12-28 2009-02-25 Essilor International (Compagnie Generale D'optique) Procédé de modification des données de forme du cadre de lunettes
WO2009065967A1 (fr) * 2007-12-28 2009-05-28 Essilor International (Compagnie Generale D'optique) Procédé de modification des données de forme de monture de lunettes
EP2037314A1 (fr) * 2007-12-28 2009-03-18 Essilor International (Compagnie Generale D'optique) Procédé et supports informatiques pour choisir des verres de lunettes adaptés à un cadre
US8762174B2 (en) * 2007-12-28 2014-06-24 Essilor International (Compagnie Generale D'optique) Method and computer means for choosing spectacle lenses adapted to a frame
EP2031434A1 (fr) * 2007-12-28 2009-03-04 Essilor International (Compagnie Generale D'optique) Procédé synchrone pour obtenir des fonctions de lunettes à commander
US8690324B2 (en) * 2007-12-28 2014-04-08 Essilor International (Compagnie Generale D'optique Method for modifying spectacle frame shape data
US8439500B2 (en) * 2007-12-28 2013-05-14 Frédéric Dubois Method of calculating an optical system according to a given spectacle frame
WO2009065964A1 (fr) * 2007-12-28 2009-05-28 Essilor International (Compagnie Generale D'optique) Procédé asynchrone permettant d'obtenir des caractéristiques de lunettes à commander
US20100309430A1 (en) * 2008-01-28 2010-12-09 Essilor International (Compagnie Generale D'optique) Method of preparing an ophthalmic lens with special machining of its engagement ridge
US20100309429A1 (en) * 2008-01-28 2010-12-09 Essilor International (Compagnie Generale D'optique) Visual device including an ophthalmic lens having a partially cropped insertion rib, and method for preparing such lens
US8556419B2 (en) * 2008-01-28 2013-10-15 Essilor International (Compagnie Generale D'optique) Method of preparing an ophthalmic lens with special machining of its engagement ridge
US8672479B2 (en) * 2008-01-28 2014-03-18 Essilor International (Compagnie Generale D'optique) Visual device including an ophthalmic lens having a partially cropped insertion rib, and method for preparing such lens
US8690323B2 (en) * 2008-04-28 2014-04-08 Hoya Corporation Method of selecting lens design standard
US20110043754A1 (en) * 2008-04-28 2011-02-24 Hoya Corporation Method of selecting lens design standard
US20120130524A1 (en) * 2008-09-04 2012-05-24 Essilor International (Compagnie Generale D'optique) Method For Providing Finishing Parameters
US8700196B2 (en) * 2008-09-04 2014-04-15 Essilor International (Compagnie Generale D'optique) Method for providing finishing parameters
US20130063697A1 (en) * 2009-12-24 2013-03-14 Essilor International (Compagnie Generale D'optique) Method for Determining an Edge of an Uncut Spectacle Lens
US8840246B2 (en) * 2009-12-24 2014-09-23 Essilor International (Compagnie Generale D'optique) Method for determining an edge of an uncut spectacle lens
US7959287B1 (en) 2010-05-05 2011-06-14 Norman Saffra Eyeglass frame sizing systems and methods
US8220923B2 (en) 2010-05-05 2012-07-17 Norman Saffra Eyeglass frame sizing systems and methods
CN103974803A (zh) * 2011-12-08 2014-08-06 Hoya株式会社 眼镜镜片的镜片形状加工系统、眼镜镜片的制造方法及镜片形状加工机
CN103974803B (zh) * 2011-12-08 2016-11-16 Hoya株式会社 眼镜镜片的镜片形状加工系统、眼镜镜片的制造方法及镜片形状加工机

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AU4923397A (en) 1998-07-02
EP0851265B1 (fr) 2008-12-03
EP0851265A3 (fr) 2000-01-19
JP3276866B2 (ja) 2002-04-22
CN1139001C (zh) 2004-02-18
JPH10186293A (ja) 1998-07-14
CN1188900A (zh) 1998-07-29
KR19980064753A (ko) 1998-10-07
DE69739141D1 (de) 2009-01-15
EP0851265A2 (fr) 1998-07-01
TW393583B (en) 2000-06-11
KR100515107B1 (ko) 2005-12-06
ATE416396T1 (de) 2008-12-15
AU747511B2 (en) 2002-05-16
HK1010578A1 (en) 1999-06-25

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